Study Specimens A and B carefully and use them to answer question 1 (a) to 1 (e). (a) Classify Specimen p no its division and class. (b) (i) State the types...
Question 1 Report
Study Specimens A and B carefully and use them to answer question 1 (a) to 1 (e).
(a) Classify Specimen p no its division and class.
(b) (i) State the types of leaf arrangements in specimens A and B.
(ii) Name the leaf shape of specimens A and B.
(c)(i) State the type of leaf margin in specimen A. (ii) State the types of venation found in the leaves of specimens A and B.
(d)(i) List three observable similarities found in specimen A and E. (ii) In a tabular form, state four observable differences between specimens A and B.
(e) Make a drawing 8-10 cm long of the leaf of specimen A and label fully.
Answer Details
(a) Classification of specimen A
- Division: Angiospermophyta (Angiospermatophyta or Magnoliophyta)
- Class: Dicotyledoneae (Magnoliopsida)
(b)(i) Leaf arrangement
- Specimen A: alternate or spiral.
- Specimen B: opposite or decussate.
(b)(ii) Leaf shape
- Specimen A: lanceolate or sword-like.
- Specimen B: ovate or oval.
(c)(i) The margin of specimen A is entire (smooth).
(c)(ii) Venation
- Specimen A: netted or reticulate venation.
- Specimen B: netted or reticulate venation.
(d)(i) Observable similarities between specimens A and B
- Both are simple leaves.
- Both have a petiole (leaf stalk).
- Both are green in colour.
- Both have reticulate venation.
- Both have an entire margin.
- Both have a prominent midrib and a pointed apex.
(d)(ii) Observable differences between specimens A and B
| Feature | Specimen A (mango) | Specimen B (Ixora) |
|---|---|---|
| Petiole | Long | Short |
| Apex | Long, drawn-out or acuminate | Short or acute |
| Lamina | Narrow | Broad |
| Leaf arrangement | Alternate or spiral | Opposite or decussate |
(e) Labelled drawing of specimen A: mango leaf, 8 to 10 cm long
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